623143541 has 8 divisors (see below), whose sum is σ = 628392384. Its totient is φ = 617905120.

The previous prime is 623143537. The next prime is 623143559. The reversal of 623143541 is 145341326.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 623143541 - 2² = 623143537 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623143501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157376 + ... + 161286.

It is an arithmetic number, because the mean of its divisors is an integer number (78549048).

Almost surely, 2^623143541 is an apocalyptic number.

It is an amenable number.

623143541 is a deficient number, since it is larger than the sum of its proper divisors (5248843).

623143541 is a wasteful number, since it uses less digits than its factorization.

623143541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5211.

The product of its digits is 8640, while the sum is 29.

The square root of 623143541 is about 24962.8432074554. The cubic root of 623143541 is about 854.1406003938.

Adding to 623143541 its reverse (145341326), we get a palindrome (768484867).

The spelling of 623143541 in words is "six hundred twenty-three million, one hundred forty-three thousand, five hundred forty-one".